I do get your point. Remote X11 is not VNC. It's quite different. It does it's drawing using your desktop hardware. It's not just copying the screen data from the pi to your desktop. I haven't tried kstars much doing it this way, but I expect it to perform way better than VNC. I'd expect it to handle 4k resolution well. I'll try it again tonight. The part that I'm concerned with is the connection. If I loose my wifi for a long period, the X11 remote app will be useless. The VNC app on the other hand will be just fine.

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